// JavaScript Document

function formValidator(){
	// Make quick references to our fields
	var fn = document.getElementById('fn');
	var ln = document.getElementById('ln');
	var company = document.getElementById('company');
	var phone = document.getElementById('phone');
	var email = document.getElementById('email');
	
	// Check each input in the order that it appears in the form!
	if(isEmpty(fn, "Please enter your first name")){
			return false;
	}
		if(isEmpty(ln, "Please enter your last name")){
				return false;
	}
	
	if(isEmpty(company, "Please enter your company name")){
						return false;
	}	
		
		if(isEmpty(email, "Please enter your email address")){
						return false;
	}			
	
	if(isEmpty(phone, "Please enter a contact phone")){
					return false;
	}
					
}

function isEmpty(elem, helperMsg){
	if(elem.value.length == 0){
		alert(helperMsg);
		elem.focus(); // set the focus to this input
		return true;
	}
	return false;
}